Below are instructions for importing a Schoology calendar into myHomeworkPlanner. The Schoology calendar.
Log into Schoology
In Schoology, click on the down arrow next to your Account name in the upper right corner
Select Settings
Scroll down to Share your Schoology Calendar, click Enable
Copy the URL under the Use this iCal link
Log into myHomeworkPlanner
Select Homework from menu
Click on + icon in upper right corner to add homework
Select Import
When asked which calendar to import, select Other.
Enter the Schoology calendar URL from Step 1, enter a name for your calendar (e.g., Schoology Calendar), and click Next
Homework from your Schoology calendar will be synced to myHomeworkPlanner.